/Engine/Source/Runtime/Engine/Public/ISMPartition/ISMPartitionInstanceManager.h
Attempt to duplicate the given client ISM instances, retrieving the IDs of any new instances.
True if any instances were duplicated, false otherwise.
bool DuplicateISMPartitionInstances ( [TArrayView](API\Runtime\Core\Containers\TArrayView)< const [FISMClientInstanceId](API\Runtime\Engine\ISMPartition\FISMClientInstanceId) > InstanceIds, [TArray](API\Runtime\Core\Containers\TArray)< [FISMClientInstanceId](API\Runtime\Engine\ISMPartition\FISMClientInstanceId) > & OutNewInstanceIds )